Business card box



FIG. 1 is a front perspective view of business card box;

FIG. 2 is another front perspective view thereof showing where the detail view is taken;

FIG. 3 is a detail view of a portion of FIG. 2;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines showing the circles of the detail view in FIGS. 2 and 3 form no part of the claimed design. 

The ornamental design for a business card box, as shown and described. 